RFR 8051408: JEP 273: DRBG-Based SecureRandom Implementations

[Wang Weijun]

Ping again. No comment?

--Max

> On Mar 21, 2016, at 1:15 PM, Wang Weijun <weijun.wang at oracle.com> wrote:
> 
> Hi All
> 
> Please take a review at the design and implementation of DRBG at:
> 
> http://cr.openjdk.java.net/~weijun/8051408/webrev.07
> http://cr.openjdk.java.net/~weijun/8051408/webrev.07/spec
> http://cr.openjdk.java.net/~weijun/8051408/webrev.07/specdiff/overview-summary.html
> 
> An example:
> 
> SecureRandom drbg;
> byte[] buffer = new byte[32];
> 
> drbg = SecureRandom.getInstance("DRBG",
>        DrbgParameters.instantiate(256, PR_ONLY, "hello".getBytes()));
> 
> drbg.nextBytes(buffer,
>        DrbgParameters.nextBytes(-1, false, "more".getBytes()));
> 
> SecureRandomInstantiateParameters params = drbg.getParameters();
> if (params instanceof DrbgParameters.Instantiate) {
>    DrbgParameters.Instantiate ins = (DrbgParameters.Instantiate) params;
>    if (ins.getCapability() != NONE) {
>        drbg.reseed(DrbgParameters.reseed(false, "extra".getBytes()));
>    }
> }
> 
> Thanks
> Max
>